Gram RK-3 Manuel D'utilisation page 10

Keyboard
Point decimal key.
Short press to enter the sampling mode. Long press to close ACAI
after sampling. And shift Units when setting capacity. .
Shift the displays of Gross weight and Net weight after tare. Long
press to enter parameters setting. And turn on or turn off check
weighing when entering HI, LO, OK setting.
Find out the unit weight in memory or reset the unit weight again.
Input the indicated unit weight via numeric keys and press it to
start counting function.
Accumulate the records of counting or weighing. Save the changing
parameter. Set the capacity and resolution.
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Numeric keys. Enter specific values for tare; unit
weight and other data entries